Question

2) Complete the activity if a=6,d=3,S2 = ?
Activity: a=6,d=3
S. 1+(n-1) d]
S22
[12 + (0-1)*3]
2
Szy
S₂​

Answer 1

Answer:

solution,

a=6

d=3

S2=?

now,

Sn=n/2[2a+(n-1)d]

S2=2/2[2×6+(2-1)×3]

S2=36